Bug 836 – Pyside crashes with more than four base classes

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PySide is now a Qt Add-on and uses the Qt Project's JIRA Bug Tracker instead of this Bugzilla instance. This Bugzilla is left for reference purposes.

Bug 836 - Pyside crashes with more than four base classes

Summary:

Pyside crashes with more than four base classes

Status:	CLOSED FIXED

Product:	PySide
Classification:	Unclassified
Component:	PySide
Version:	HEAD
Platform:	PC Linux

Importance:	P2 normal
Assigned To:	Hugo Parente Lima

URL:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2011-04-24 01:00 EEST by mreithinger
Modified:	2011-04-29 18:06 EEST (History)
CC List:	8 users (show)

See Also:

Attachments
demo program (854 bytes, text/x-python) 2011-04-24 01:00 EEST, mreithinger	Details
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Description mreithinger 2011-04-24 01:00:51 EEST

Created attachment 317 [details]
demo program

a pyside subclass like 

  class MainWindow(Mixin1, Mixin2, Mixin3, QFrame):
    ...


Will crash pyside. Please see the demo program attached.

Comment 1 Hugo Parente Lima 2011-04-25 17:34:20 EEST

At least PySide knows if it's going to crash :-)

[hugo@thinkpadugo ~  4.7] $ python /tmp/test.py 
Sub class of QObject not inheriting QObject!? Crash will happen when using
MainWindow.
Segmentation fault

Comment 2 renato filho 2011-04-25 17:43:45 EEST

only a observation if you use the QFrame  as first class this works fine.

something like that:
       class MainWindow(QFrame, Mixin1, Mixin2, Mixin3):

Comment 3 Hugo Parente Lima 2011-04-28 16:58:41 EEST

Fixed in commit:

pyside/aa8c4f6b2e4dc0e0e0b7bc2e0da92527976fc12a

Comment 4 renato filho 2011-04-29 18:06:23 EEST

PySide release 1.0.2